Update app.py

app.py

@@ -30,7 +30,7 @@ def test_models():
             log = {"Model":model,"Error":e}
             print(f'{log}\n')
             log_box.append(log)
-    return log_box
+    yield log_box
 
 def format_prompt_default(message, history,cust_p):
     prompt = ""